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BAM is a stereo reverb processor inspired by the late 70s / early 80s digital reverberator units.These units are sought after by sound engineers, producers and musicians for their grainy, warm and musical reverberations.

Here at OTO, we are passionated by the technology of the digital reverberators, especially the old models !

We have carefully listened to all digital reverberators built from 1976 to 1986, studied their architecture and read all the available papers (from 1961 to nowadays) on digital reverb design. It seemed obvious to us that the musicality of the early digital reverb processors was partly due to the algorithms (the way the processor synthesized a natural reverberation), but also to their hardware limitations.

The audio signal was severely high-cut filtered (10 kHz was standard at that time) because of the limited sample clock. Some units used 12 bit gain stepping converters to achieve a 15 bit resolution and others used the first 16 bit converters. Then the samples were digitally processed through a 16 to 20 bit fixed-point CPU with limited memory. The algorithms had to be simple but efficient to create the most musical and versatile reverberation from these limitations. And the hardware itself added grain and warmness to the sound.

BIM is a 12-bit stereo delay unit inspired by some studio delay processors built in the early 80s. These monophonic processors have been renowned for the quality and musicality of
their sound. The processing was mainly analog (companders, limiters, low-pass filters, feedback path,…), and the signal was converted to digital just for the delay section, using 12-bit AD/DA converters and some RAM memory chips.

The advantage of this technology is particularly obvious when the sound is feedbacked many times through the whole analog and 12-bit circuitry. You’ll hear a sweet degradation and dark damping that the 100% digital delay boxes can’t offer. When we designed BIM, we wanted to create a unique, modern and versatile effects processor based on this 80’s technology.

We managed to mix the fabulous sound of an old 12-bit digital delay with modern features such as stereo processing, extra FXs, many user presets, MIDI control, tap tempo, compact size… therefore BIM is the best of both worlds!

BIM is the perfect companion for the musician, producer, sound engineer or live performer who is looking for a unique, warm and musical delay processor.

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